If you have a 2017 Toyota Highlander with Lean codes on both banks over 30% LTFT (also with possible EVAP code) then the problem is the EVAP Purge Valve getting intermittently stuck open. We are seeing quite a few of these.
For some repairs on 2017-2018 Sienna and Highlander and 2018 Camry vehicles equipped with the
8-speed transmission, it is necessary to determine transmission serial number and understand
production date.
If necessary to determine transmission serial number on a 2017-2018 Sienna and Highlander...
See Toyota Tech Tip T-TT-0428-16
Condition:
Customers may have questions regarding the Stop and Start systems function. This Tech Tip should
help explain the normal operating characteristics of the Stop Start system.
Description of Operation:
To achieve low emissions and enhanced fuel...
2018 Camry
2017-2018 Highlander
2017-2018 Sienna
2016 - 2018 Tacoma (without crawl control)
Some 2016 – 2018 model year Tacoma, 2017-2018 model year Sienna and Highlander, and
2018 model year Camry vehicles equipped with a 2GR-FKS engine may exhibit a knocking noise
from the vacuum pump. Follow...
Please see T-SB-0001-18 Revision 2
2017-2018 Toyota Highlander
2017-2018 Toyota Sienna
When completing a transaxle assembly replacement, Engine Control Module (ECM) (SAE term:
Powertrain Control Module [PCM]) replacement, or ECM (PCM) reprogram, ensure the correct
ECM (PCM) software is matched...
Subject: Safety Recall H0Z
2017 Sienna, Tacoma Vehicles
2017 – 2018 4Runner, Tundra Vehicles
2018 Highlander, RAV4 Vehicles
Load Carrying Capacity Modification Label – Incorrect Information
On December 20, 2017, Toyota filed a Noncompliance Information Report (NCIR) with the National Highway...
Hearing reports of the new 8 Speed transmission transmission in the 2017 Highlander and Sienna having issues with whine noise and/or shift (movement) issues. Something possible with the final drive pinion hasn’t been stacked and is coming loose. If you have an issue with your vehicle, please let...
Some vehicles may experience various drivability concerns. Upon diagnosis, technicians commonly find no
or low fuel pressure as well as a variety of DTCs (Commonly P1603, P1604, P1605, P0171, P0300,
P0302, P0304, U0100).
Technicians find that the cause this condition is corrosion and water in...
If you have a 2012 Toyota Highlander with code B1794 Open in Occupant Detection ECU Battery Positive Line, check and see if the windshield has been replaced. There may be a water leak on the passenger side that is getting into the wiring harness at the passenger side feet kick panel. Disconnect...
If you run across a 2016-2017 Toyota vehicle like the Tacoma or Highlander with the 2GR-FKS engine and codes P017100, P017400, P050500 and/or P117B00, you will want to check and see if the customer filled the gas tank up with E85 fuel.
You can get an E85 test kit here...
Please see T-SB-0229-17 Revision 1
Applicability:
2017 Toyota Highlander and Sienna
REVISION NOTICE December 11, 2020 Rev1:
The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded.
Introduction:
Some 2017 model year Highlander and Sienna...
If you have a 2014-2017 Toyota Highlander or a 2011-2017 Toyota Sienna with the Rear Hatch (Back Door) not opening, then you may want to see TSB 0232-17 and replace the latch assembly...
Some 2014 – 2017 model year Highlander/Highlander HV and 2011 – 2017 model year Sienna
vehicles equipped...
Some 2014 – 2019 model year Highlander and Highlander Hybrid vehicles may exhibit a squeak noise from the rear suspension. This condition may be more noticeable in colder ambient temperatures and may occur when traveling over uneven roads or when the vehicle comes to a complete stop. Follow the...
Some 2008 – 2013 model Highlander and Highlander HV vehicles may exhibit a clunk, pop, or knock-type noise when turning the steering wheel left or right. A new intermediate shaft has been developed to address this condition. Use the following repair procedure in bulletin 0034-13 to remove and...
2008-2011 Highlander Hybrid
2008-2010 Highlander
Some 2008 – 2011 model year Japan-built Highlander and Highlander HV vehicles equipped with a factory theft deterrent system may exhibit a condition where the security horn is inappropriately triggered and the vehicle has not been disturbed.
See...
Warranty Enhancement Letter ZG4
Subject: 2008 – 2013 Model Year Highlander and Highlander Hybrid Vehicles
Extension of Warranty Coverage for the Power Back Door
In our continuing efforts to ensure the best in customer satisfaction, Toyota is announcing a Warranty Enhancement Program to extend...
Toyota says it will add 400 jobs and invest $600 million at a Southern Indiana SUV factory.
The announcement Tuesday comes just after President Donald Trump met with CEOs of the Detroit automakers to demand that new factories be built in the U.S. Toyota says the investment was planned before...
Some 2014 – 2016 model year Highlander and Highlander HV vehicles may exhibit a condition in
which the door handle material insert of the driver or passenger side door panels is creased,
wrinkly, or has started peeling. This condition can occur on either the front or rear door panels
and is NOT...
Recall Letter
You can check the status of any Recall on your Toyota here.
Subject: Safety (Noncompliance) Recall G03 – Remedy
2016 Model Year Highlander Brake Fluid Reservoir Sensor Connector
On October 21, 2016, Toyota filed a Noncompliance Information Report (NCIR) with the National Highway...
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